Standard Water Underfloor Heating Thermostat

The HY603 model features a sleek 86×86mm design, perfectly aligned with European standard dimensions. Its modern, touch-sensitive keypad offers intuitive control, while the stylish house icon enhances visual appeal, reflecting contemporary trends and user preferences. Elegant and functional, the HY603 doesn't just fit your space-it elevates it. Discover a thermostat that blends seamlessly into modern interiors while delivering exceptional performance.

HY603 Help your ideal solution for seamless home comfort. Designed for both water and electric underfloor heating systems, it supports AC90–240V and 16A load, ensuring reliable performance across HVAC, gas boilers, and more. With Tuya WiFi connectivity and CE certification, you can control temperature remotely via smartphone, anytime, anywhere. Stylish, intuitive, and energy-efficient, the HY603 enhances modern living while simplifying climate control. 

【Energy Saving & Superior Performance】Take control of your energy costs-your thermostat influences up to 60% of your home's energy bill. The HY603 Smart Thermostat delivers precise temperature management, optimizing heating efficiency and reducing waste. With intelligent scheduling and remote WiFi control, you enjoy unmatched comfort while significantly lowering energy consumption. Experience high performance, real savings, and a smarter way to heat your home

【Smart WiFi Thermostat – Control Anytime, Anywhere】
The HY603 offers seamless flush-mount installation and built-in WiFi for effortless smart home integration. Control your electric or water underfloor heating remotely via smartphone, or use voice commands with Alexa and Google Assistant. Enjoy full functionality even without WiFi for uninterrupted comfort. With a robust 16A output and universal 90–240V AC power support, it's reliable, versatile, and designed for modern living. Smart heating made simple

【Effortless App Control at Your Fingertips】
Connect to 2.4GHz WiFi and take full control of your underfloor heating from anywhere using the Smart Life or Tuya app. Adjust temperatures, set schedules, create smart scenes, and share access with family-effortlessly. The HY603 puts comfort and convenience in the palm of your hand, making smart home heating truly intuitive. Simple setup, powerful features, total control.

【Smart Weekly Programming – Comfort on Your Schedule】
Maximize comfort and efficiency with flexible programming modes: 5/2, 6/1, or 7/0-day weekly schedules, each with 6 customizable time periods. Easily set your ideal temperatures for every day of the week, switch to holiday mode for energy-saving absence, or use manual control for instant adjustments. The HY603 adapts to your lifestyle, ensuring perfect warmth when you need it

【Intelligent Energy-Saving Features for Smarter Living】
The HY603 smart thermostat includes automatic open-window detection-when a sudden temperature drop is sensed, heating pauses to save energy and avoid waste. Plus, enjoy advanced features like temperature calibration, child lock, system reset, and power-off data retention for seamless, worry-free operation. 

1 x Thermostat
1 x Antenna
2 x Screw
1 x English Manual

Q1:What's your company payment term?

T/T(50/50), LC, West Union.

Q2:What's your product's warranty?

2 years.

Q3:How long is the sample time of the thermostat? Can the sample fee be returned?

Proofing is usually 5-7 working days. If the order reaches or exceeds behind MOQ quantity, the proofing fee is refunded. If not reached behind MOQ quantity, a proofing fee will be taken by you.